CN205080816U - Experimental device for relatively chlorine, bromine and iodine simple substance oxidability are strong and weak - Google Patents
Experimental device for relatively chlorine, bromine and iodine simple substance oxidability are strong and weak Download PDFInfo
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- CN205080816U CN205080816U CN201520880978.1U CN201520880978U CN205080816U CN 205080816 U CN205080816 U CN 205080816U CN 201520880978 U CN201520880978 U CN 201520880978U CN 205080816 U CN205080816 U CN 205080816U
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- rubber stopper
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Abstract
(B, ) the utility model provides an experimental device for relatively chlorine, bromine and iodine simple substance oxidability are strong and weak, its main characterized in that: it is by the erlenmeyer flask that is equipped with potassium permanganate, double -hole rubber plug, a separating funnel of concentrated hydrochloric acid is equipped with, the opening transparent container of moist starch potassium iodide test paper is equipped with, the air duct, the emulsion tube, (B, ) (b) T (b) (b) shape air duct, the haplopore rubber stopper, a first utensil test tube of sodium bromide solution is equipped with, sodium hydroxide solution's beaker is equipped with, the spring clamp, the 2nd separating funnel of sodium bromide solution is equipped with, a second utensil test tube that is equipped with potassium iodide solution and carbon tetrachloride is constituteed. There is the defect in it to do the experiment with traditional device: the necessary new system of chlorine water is troublesome, when the teacher did the lecture experiment, the student in back row was difficult for observing the phenomenon, not environmental protection. Use the utility model discloses portably, safety, environmental protection, the utility model discloses do the lecture experiment on not only being applicable to the teacher classroom, still be applicable to the student and be grouping experiment. (B, )
Description
one, technical field
the utility model belongs to chemical field, relates to a kind of chemical experiment device, particularly for demonstrating the experiment of senior chemistry textbook comparing chlorine, bromine and elemental iodine oxidisability power.
two, background technology
the senior chemistry 1(that Shandong science tech publishing house in July, 2014 publishes is required) compare the experiment of chlorine, bromine and elemental iodine oxidisability power in the 100th page, textbook [movable and probe into], textbook there is no ready-made experimental provision, conventional method is: 1, get several potassium bromide solutions in test tube, add a small amount of phenixin again, drip chlorine water, vibration, examines the change of carbon tetrachloride layer color.2, get several liquor kalii iodides in test tube, then add a small amount of phenixin, drip chlorine water, vibration, examines the change of carbon tetrachloride layer color.3, get several liquor kalii iodides in test tube, then add a small amount of phenixin, drip bromine water, vibration, examines the change of carbon tetrachloride layer color.The conventional this experimental technique existing defects comparing chlorine, bromine and elemental iodine oxidisability power: the necessary brand-new of chlorine water, trouble; When teacher does lecture experiment, the student of rear row not easily observes phenomenon; Not environmentally.
three, utility model content
the utility model object is to provide a kind of experimental provision comparing chlorine, bromine and elemental iodine oxidisability power.Use the utility model to compare the experiment of chlorine, bromine and elemental iodine oxidisability power, phenomenon is obvious, and environmental protection, safe, pollution-free.The utility model is not only applicable to classroom does lecture experiment, is also applicable to student and does grouping experiment.
the purpose of this utility model realizes by the following method:
one compares chlorine, the experimental provision of bromine and elemental iodine oxidisability power, be primarily characterized in that: it is by the conical flask (1) that potassium permanganate (2) are housed, rubber stopper with double hole (3), first separating funnel (4) of concentrated hydrochloric acid is housed, the opening transparent vessel (5) of moistening starch potassium iodide paper (6) is housed, first wireway (7), first emulsion tube (8), T-shaped wireway (9), first single hole rubber stopper (10), the first tool that sodium bromide solution is housed props up test tube (11), second emulsion tube (12), second wireway (13), the beaker (14) of sodium hydroxide solution is housed, 3rd emulsion tube (15), spring clamp (16), 3rd wireway (17), second single hole rubber stopper (18), second separating funnel (19) of sodium bromide solution is housed, 3rd single hole rubber stopper (20), the second tool that liquor kalii iodide and phenixin are housed props up test tube (21), 4th emulsion tube (22), 4th wireway (23) composition.
the conical flask (1) of potassium permanganate (2) is housed with the first separating funnel (4), rubber stopper with double hole (3) jam-pack of opening transparent vessel (5) and the first wireway (7) that moistening starch potassium iodide paper (6) is housed.The first tool that the first single hole rubber stopper (10) jam-pack of T-shaped wireway (9) is equipped with sodium bromide solution is with to prop up test tube (11).The second tool that the 3rd single hole rubber stopper (20) jam-pack that second separating funnel (19) of sodium bromide solution is housed is equipped with liquor kalii iodide and phenixin is with to prop up test tube (21).The second single hole rubber stopper (18) jam-pack with the 3rd wireway (17) is equipped with the upper end of second separating funnel (19) of sodium bromide solution.First emulsion tube (8) connects one end mouth of pipe of first wireway (7) of rubber stopper with double hole (3) outer end and the T-shaped wireway (9) of the first single hole rubber stopper (10) outer end.Second emulsion tube (15) of band spring clamp (16) connects the other end mouth of pipe of the T-shaped wireway (9) of the first single hole rubber stopper (10) outer end and the 3rd wireway (17) of the second single hole rubber stopper (18) outer end.Second emulsion tube (12) connects arm and the second wireway (13) that the first tool that sodium bromide solution is housed props up test tube (11), and the end of the second wireway (13) inserts and is equipped with in the beaker (14) of sodium hydroxide solution.4th emulsion tube (22) connects arm and the 4th wireway (23) that the second tool that liquor kalii iodide and phenixin are housed props up test tube (21), and the end of the 4th wireway (23) inserts and is equipped with in the beaker (14) of sodium hydroxide solution.Experimentation: connect instrument, the impermeability of testing fixture.First separating funnel (4) and the first wireway (7) are inserted on rubber stopper with double hole (3) respectively, connect the opening transparent vessel (5) that is equipped with moistening starch potassium iodide paper (6) in rubber stopper with double hole (3) inner end.Rubber stopper with double hole (3) jam-pack of the opening transparent vessel (5) and the first wireway (7) that fill appropriate potassium permanganate (2) in conical flask (1), then use band first separating funnel (4), moistening starch potassium iodide paper (6) are housed is equipped with the conical flask (1) of potassium permanganate (2).The arm of T-shaped wireway (9) is inserted on the first single hole rubber stopper (10), the first tool that sodium bromide solution is housed with the first single hole rubber stopper (10) jam-pack of band T-shaped wireway (9) props up test tube (11), and the arm of T-shaped wireway (9) is inserted in sodium bromide solution.The second separating funnel (19) band being equipped with sodium bromide solution is inserted on the second single hole rubber stopper (18).Prop up in test tube (21) at the second tool and fill appropriate liquor kalii iodide and phenixin, then the second tool the 3rd single hole rubber stopper (20) jam-pack of band second separating funnel (19) being equipped with liquor kalii iodide and phenixin props up test tube (21), in the second separating funnel (19), add appropriate sodium bromide solution.3rd wireway (17) is inserted on the second single hole rubber stopper (18), the upper end of second separating funnel (19) of sodium bromide solution is housed with the second single hole rubber stopper (18) jam-pack of band the 3rd wireway (17), and the 3rd wireway (17) of the second single hole rubber stopper (18) inner end is inserted in sodium bromide solution.One end mouth of pipe of first wireway (7) of rubber stopper with double hole (3) outer end and the T-shaped wireway (9) of the first single hole rubber stopper (10) outer end is connected with the first emulsion tube (8).The other end mouth of pipe of the T-shaped wireway (9) of the first single hole rubber stopper (10) outer end and the 3rd wireway (17) of the second single hole rubber stopper (18) outer end is connected with second emulsion tube (15) of band spring clamp (16).Connect with the second emulsion tube (12) arm and the second wireway (13) that the first tool that sodium bromide solution is housed props up test tube (11), the end of the second wireway (13) inserts and is equipped with in the beaker (14) of sodium hydroxide solution.Connect with the 4th emulsion tube (22) arm and the 4th wireway (23) that the second tool that liquor kalii iodide and phenixin are housed props up test tube (21), the end of the 4th wireway (23) inserts and is equipped with in the beaker (14) of sodium hydroxide solution.During experiment, appropriate concentrated hydrochloric acid is added in the first separating funnel (4), open the piston of spring clamp (16) and the first separating funnel (4), contact with potassium permanganate (2) in concentrated hydrochloric acid instillation conical flask (1) and produce yellow green gas immediately, this is that concentrated hydrochloric acid and potassium permanganate react the chlorine produced, can see in a moment: starch potassium iodide paper (6) moistening in opening transparent vessel (5) becomes blue, this generates iodine because chlorine and potassium iodide react, starch is met iodine and is become blue, and this phenomenon proves that the oxidisability of chlorine is stronger than the oxidisability of iodine; First tool props up the solution that test tube (11) neutralizes in the second separating funnel (19) and becomes yellow, and this is that chlorine and sodium bromide react the water-soluble color of the simple substance bromine that generates, and this phenomenon proves that the oxidisability of chlorine is stronger than simple substance bromine.Fastening spring folder (16), continue the chlorine propping up throughput in test tube (11) toward the first tool that sodium bromide solution is housed, now solution becomes brownish red from yellow.Close the piston of the first separating funnel (4), open the piston of the second separating funnel (19), allowing the yellow solution in the second separating funnel (19) flow to the second tool that liquor kalii iodide and phenixin are housed props up in test tube (21), at this moment can see again: carbon tetrachloride layer displaing amaranth, this props up in test tube (21) and react with potassium iodide the cause that the iodine generated is dissolved in phenixin because the bromine water in the second separating funnel (19) flows to the second tool, and this phenomenon proves that the oxidisability of simple substance bromine is stronger than iodine.The oxidisability of comprehensive above phenomenon sufficient proof chlorine, bromine and elemental iodine weakens successively.
the beneficial effects of the utility model are:1,
reaction is carried out in closed container, and tail gas soda lye absorbs, and toxic gas can not be revealed in atmosphere, therefore very environmental protection.2,
switch control rule reaction by separating funnel occurs to stop at any time at any time, uses easily.3, the utility model is not only applicable to classroom does lecture experiment, is also applicable to student and does grouping experiment.
four, accompanying drawing explanation
fig. 1 is structural drawing of the present utility model.
mark in figure represents respectively:
(1) conical flask (2) potassium permanganate (3) rubber stopper with double hole (4) is equipped with the first tool that the moistening starch potassium iodide paper (7) first wireway (8) first emulsion tube (9) T-shaped wireway (10) first single hole rubber stopper (11) of the first separating funnel (5) the opening transparent vessel (6) of concentrated hydrochloric acid is equipped with sodium bromide solution and props up the second tool that the second separating funnel (20) the 3rd single hole rubber stopper (21) that beaker (15) second emulsion tube (16) spring clamp (17) the 3rd wireway (18) second single hole rubber stopper (19) that test tube (12) second emulsion tube (13) second wireway (14) is equipped with sodium hydroxide solution is equipped with sodium bromide solution is equipped with liquor kalii iodide and phenixin and prop up test tube (22) the 4th emulsion tube (23) the 4th wireway
five, embodiment
below in conjunction with embodiment, the utility model is described in further detail:
one compares chlorine, the experimental provision of bromine and elemental iodine oxidisability power, be primarily characterized in that: it is by the conical flask (1) that potassium permanganate (2) are housed, rubber stopper with double hole (3), first separating funnel (4) of concentrated hydrochloric acid is housed, the opening transparent vessel (5) of moistening starch potassium iodide paper (6) is housed, first wireway (7), first emulsion tube (8), T-shaped wireway (9), first single hole rubber stopper (10), the first tool that sodium bromide solution is housed props up test tube (11), second emulsion tube (12), second wireway (13), the beaker (14) of sodium hydroxide solution is housed, 3rd emulsion tube (15), spring clamp (16), 3rd wireway (17), second single hole rubber stopper (18), second separating funnel (19) of sodium bromide solution is housed, 3rd single hole rubber stopper (20), the second tool that liquor kalii iodide and phenixin are housed props up test tube (21), 4th emulsion tube (22), 4th wireway (23) composition.
the conical flask (1) of potassium permanganate (2) is housed with the first separating funnel (4), rubber stopper with double hole (3) jam-pack of opening transparent vessel (5) and the first wireway (7) that moistening starch potassium iodide paper (6) is housed.The first tool that the first single hole rubber stopper (10) jam-pack of T-shaped wireway (9) is equipped with sodium bromide solution is with to prop up test tube (11).The second tool that the 3rd single hole rubber stopper (20) jam-pack that second separating funnel (19) of sodium bromide solution is housed is equipped with liquor kalii iodide and phenixin is with to prop up test tube (21).The second single hole rubber stopper (18) jam-pack with the 3rd wireway (17) is equipped with the upper end of second separating funnel (19) of sodium bromide solution.First emulsion tube (8) connects one end mouth of pipe of first wireway (7) of rubber stopper with double hole (3) outer end and the T-shaped wireway (9) of the first single hole rubber stopper (10) outer end.Second emulsion tube (15) of band spring clamp (16) connects the other end mouth of pipe of the T-shaped wireway (9) of the first single hole rubber stopper (10) outer end and the 3rd wireway (17) of the second single hole rubber stopper (18) outer end.Second emulsion tube (12) connects arm and the second wireway (13) that the first tool that sodium bromide solution is housed props up test tube (11), and the end of the second wireway (13) inserts and is equipped with in the beaker (14) of sodium hydroxide solution.4th emulsion tube (22) connects arm and the 4th wireway (23) that the second tool that liquor kalii iodide and phenixin are housed props up test tube (21), and the end of the 4th wireway (23) inserts and is equipped with in the beaker (14) of sodium hydroxide solution.Using method of the present utility model: connect instrument, the impermeability of testing fixture.First separating funnel (4) and the first wireway (7) are inserted on rubber stopper with double hole (3) respectively, connect the opening transparent vessel (5) that is equipped with moistening starch potassium iodide paper (6) in rubber stopper with double hole (3) inner end.Rubber stopper with double hole (3) jam-pack of the opening transparent vessel (5) and the first wireway (7) that fill appropriate potassium permanganate (2) in conical flask (1), then use band first separating funnel (4), moistening starch potassium iodide paper (6) are housed is equipped with the conical flask (1) of potassium permanganate (2).The arm of T-shaped wireway (9) is inserted on the first single hole rubber stopper (10), the first tool that sodium bromide solution is housed with the first single hole rubber stopper (10) jam-pack of band T-shaped wireway (9) props up test tube (11), and the arm of T-shaped wireway (9) is inserted in sodium bromide solution.The second separating funnel (19) band being equipped with sodium bromide solution is inserted on the second single hole rubber stopper (18).Prop up in test tube (21) at the second tool and fill appropriate liquor kalii iodide and phenixin, then the second tool the 3rd single hole rubber stopper (20) jam-pack of band second separating funnel (19) being equipped with liquor kalii iodide and phenixin props up test tube (21), in the second separating funnel (19), add appropriate sodium bromide solution.3rd wireway (17) is inserted on the second single hole rubber stopper (18), the upper end of second separating funnel (19) of sodium bromide solution is housed with the second single hole rubber stopper (18) jam-pack of band the 3rd wireway (17), and the 3rd wireway (17) of the second single hole rubber stopper (18) inner end is inserted in sodium bromide solution.One end mouth of pipe of first wireway (7) of rubber stopper with double hole (3) outer end and the T-shaped wireway (9) of the first single hole rubber stopper (10) outer end is connected with the first emulsion tube (8).The other end mouth of pipe of the T-shaped wireway (9) of the first single hole rubber stopper (10) outer end and the 3rd wireway (17) of the second single hole rubber stopper (18) outer end is connected with second emulsion tube (15) of band spring clamp (16).Connect with the second emulsion tube (12) arm and the second wireway (13) that the first tool that sodium bromide solution is housed props up test tube (11), the end of the second wireway (13) inserts and is equipped with in the beaker (14) of sodium hydroxide solution.Connect with the 4th emulsion tube (22) arm and the 4th wireway (23) that the second tool that liquor kalii iodide and phenixin are housed props up test tube (21), the end of the 4th wireway (23) inserts and is equipped with in the beaker (14) of sodium hydroxide solution.During experiment, appropriate concentrated hydrochloric acid is added in the first separating funnel (4), open the piston of spring clamp (16) and the first separating funnel (4), contact with potassium permanganate (2) in concentrated hydrochloric acid instillation conical flask (1) and produce yellow green gas immediately, this is that concentrated hydrochloric acid and potassium permanganate react the chlorine produced, can see in a moment: starch potassium iodide paper (6) moistening in opening transparent vessel (5) becomes blue, this generates iodine because chlorine and potassium iodide react, starch is met iodine and is become blue, and this phenomenon proves that the oxidisability of chlorine is stronger than the oxidisability of iodine; First tool props up the solution that test tube (11) neutralizes in the second separating funnel (19) and becomes yellow, and this is that chlorine and sodium bromide react the water-soluble color of the simple substance bromine that generates, and this phenomenon proves that the oxidisability of chlorine is stronger than simple substance bromine.Fastening spring folder (16), continue the chlorine propping up throughput in test tube (11) toward the first tool that sodium bromide solution is housed, now solution becomes brownish red from yellow.Close the piston of the first separating funnel (4), open the piston of the second separating funnel (19), allowing the yellow solution in the second separating funnel (19) flow to the second tool that liquor kalii iodide and phenixin are housed props up in test tube (21), at this moment can see again: carbon tetrachloride layer displaing amaranth, this props up in test tube (21) and react with potassium iodide the cause that the iodine generated is dissolved in phenixin because the bromine water in the second separating funnel (19) flows to the second tool, and this phenomenon proves that the oxidisability of simple substance bromine is stronger than iodine.The oxidisability of comprehensive above phenomenon sufficient proof chlorine, bromine and elemental iodine weakens successively.The utility model has the advantages that: react and carry out in closed container, tail gas soda lye absorbs, and toxic gas can not be revealed in atmosphere, therefore very environmental protection; Switch control rule reaction by separating funnel occurs to stop at any time at any time, uses easily; The utility model is not only applicable to classroom does lecture experiment, is also applicable to student and does grouping experiment.
Claims (1)
1. one kind is compared chlorine, the experimental provision of bromine and elemental iodine oxidisability power, be primarily characterized in that: it is by the conical flask (1) that potassium permanganate (2) are housed, rubber stopper with double hole (3), first separating funnel (4) of concentrated hydrochloric acid is housed, the opening transparent vessel (5) of moistening starch potassium iodide paper (6) is housed, first wireway (7), first emulsion tube (8), T-shaped wireway (9), first single hole rubber stopper (10), the first tool that sodium bromide solution is housed props up test tube (11), second emulsion tube (12), second wireway (13), the beaker (14) of sodium hydroxide solution is housed, 3rd emulsion tube (15), spring clamp (16), 3rd wireway (17), second single hole rubber stopper (18), second separating funnel (19) of sodium bromide solution is housed, 3rd single hole rubber stopper (20), the second tool that liquor kalii iodide and phenixin are housed props up test tube (21), 4th emulsion tube (22), 4th wireway (23) composition, rubber stopper with double hole (3) jam-pack with the first separating funnel (4) and the first wireway (7) is equipped with the conical flask (1) of potassium permanganate (2), rubber stopper with double hole (3) inner end connection opening transparent vessel (5), opening transparent vessel (5) is inner is equipped with moistening starch potassium iodide paper, the first tool that the first single hole rubber stopper (10) jam-pack of T-shaped wireway (9) is equipped with sodium bromide solution is with to prop up test tube (11), the second tool that the 3rd single hole rubber stopper (20) jam-pack that second separating funnel (19) of sodium bromide solution is housed is equipped with liquor kalii iodide and phenixin is with to prop up test tube (21), the second single hole rubber stopper (18) jam-pack with the 3rd wireway (17) is equipped with the upper end of second separating funnel (19) of sodium bromide solution, first emulsion tube (8) connects one end mouth of pipe of first wireway (7) of rubber stopper with double hole (3) outer end and the T-shaped wireway (9) of the first single hole rubber stopper (10) outer end, second emulsion tube (15) of band spring clamp (16) connects the other end mouth of pipe of the T-shaped wireway (9) of the first single hole rubber stopper (10) outer end and the 3rd wireway (17) of the second single hole rubber stopper (18) outer end, second emulsion tube (12) connects arm and the second wireway (13) that the first tool that sodium bromide solution is housed props up test tube (11), the end of the second wireway (13) inserts and is equipped with in the beaker (14) of sodium hydroxide solution, 4th emulsion tube (22) connects arm and the 4th wireway (23) that the second tool that liquor kalii iodide and phenixin are housed props up test tube (21), the end of the 4th wireway (23) inserts and is equipped with in the beaker (14) of sodium hydroxide solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520880978.1U CN205080816U (en) | 2015-11-09 | 2015-11-09 | Experimental device for relatively chlorine, bromine and iodine simple substance oxidability are strong and weak |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520880978.1U CN205080816U (en) | 2015-11-09 | 2015-11-09 | Experimental device for relatively chlorine, bromine and iodine simple substance oxidability are strong and weak |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205080816U true CN205080816U (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520880978.1U Expired - Fee Related CN205080816U (en) | 2015-11-09 | 2015-11-09 | Experimental device for relatively chlorine, bromine and iodine simple substance oxidability are strong and weak |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205080816U (en) |
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2015
- 2015-11-09 CN CN201520880978.1U patent/CN205080816U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20161109 |